PHL271H1 Chapter : detailed summary notes for liberty

Skid of weight 440N is stuck in the middle of a circular frozen pond of radius 5 m. He cannot move because the pond if absolutely frictionless. He happens to have his 2.6kg physics textbook so he looks for a solution to his problem. Unable to find a solution he throw his textbook in a fit of rage. Skid throws it at a velocity of 4 m/s directly away from him. After throwing the book, how long does it take skid to reach the edge of the pond?

500 cm³ of ideal gas at 40^o C and 200 kPa(absolute) is compressed to 250 cm³ and cooled to20^o C. what is the final absolute pressure?

a) 200 kPa

b)374 kPa

c) 748 kPa

d) 100 kPa